Exam 1

  1. Metainformation

    Tag Value
    fileReliability_uu-reliability-009-en_uu-reliability-009-en
    nameuu-reliability-009-en
    sectionReliability
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy

    Question

    Two test developers discuss the usability of a new measurement instrument. A psychometrician of repute captures some suggestions for improving the measurement instrument.

    Which of the following suggestions does she consider less appropriate for increasing the reliability of the new measurement instrument?


    1. FALSE: Removing items with low item-rest correlation.
    2. TRUE: Repeating observations on the same individuals.
    3. FALSE: Increasing the number of equivalent items.
    4. FALSE: Improving collection instructions.

    Solution

    Explanation: The reliability of the measurement instrument is increased by: Option A: Removing items that are barely related to the other items Option C: using a larger number of items Option D: Ensuring clarity among participants regarding completion.

    Option B does not make for a more reliable measurement instrument.